{
  "title": "Age-depth control points from IODP Site 397-U1385",
  "citation": "Hodell, D. A. et al. (2026), Supplementary material. DOI: 10.14379/iodp.proc.397.204supp.2026",
  "doi": "https://doi.org/10.14379/iodp.proc.397.204supp.2026",
  "method_doi": "https://doi.org/10.14379/iodp.proc.397.204.2026",
  "source_url": "https://publications.iodp.org/proceedings/397/204/SUPP_MAT/TABLES/397-U1385TABLES.XLSX",
  "source_filename": "397-U1385TABLES.XLSX",
  "source_sha256": "cae55f333fd2686c2ea124d05b5b98105f4478e6eaa9ec2345abb54984333597",
  "publication_date": "2026-01-29",
  "accessed": "2026-10-28",
  "license": "CC BY 4.0",
  "license_url": "https://iodp.tamu.edu/scienceops/copyright.html",
  "selection": {
    "sheet": "Table 11",
    "rows": [
      3,
      4
    ],
    "columns": {
      "A": "Depth CCSF (m)",
      "C": "Age (thousands of years)",
      "D": "Interval sedimentation rate (cm/kyr)",
      "E": "Age model"
    }
  },
  "processing": "Extract two adjacent published age-depth control points. Calculate thickness, duration, average accumulation rate and the nominal time represented by 1 cm. No age tuning, interpolation of ages or proxy-to-temperature conversion is performed.",
  "scope": "CCSF is the composite depth coordinate, not the original borehole depth. Ages are published estimates assigned on the LR04 chronology. The interval lies below the piston-cored upper part. 1 cm / rate describes nominal spacing, not effective temporal resolution.",
  "source_note": "The workbook Citation sheet retains a 2025 draft citation. The definitive publication and supplement DOI are dated 2026. Use the linked definitive record.",
  "sha256": {
    "age-depth-points.csv": "20f709ac575355de601bbf5985c8da7f438a3d6df908b80aa7dcf5d29983c3fb"
  }
}